For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningFront End Upper Tie Bar Support Sectioning (MAG Welding)
Note: According to different corrosion warranties, only the
regional mandatory joining methods are allowed.
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Collision Sectioning Warning in the Preface section.
W ...
Keys
WARNING
Leaving children in a vehicle with the ignition key is dangerous and children
or others could be seriously injured or killed. They could operate the power windows
or other controls or make the vehicle move. The windows will function with the keys
in the ignition, and children or other ...
Instrument Panel Accessory Bezel Replacement
Preliminary Procedure
Remove transmission control cover. Refer to Automatic or Manual Transmission
Control Lever Trim Cover Replacement.
Instrument Panel Accessory Bezel Screw (Qty: 4)
Caution: Refer to Fastener Caution in the Preface section.
Tighten
2.5 N·m (23 lb in).
Instrume ...